Diesel Engine Inserts
Genuine Diesel Engine Inserts for Onan, Cummins, and Fleetguard Engines
Upgrade your diesel power engines with our certified Diesel Engine Inserts, crafted to meet the highest quality standards for Onan, Cummins, and Fleetguard equipment. These inserts ensure optimal engine integrity, enhancing durability and performance under demanding conditions.
Reliable Diesel Engine Inserts – Authentic Replacement Parts by Onan, Cummins, & Fleetguard
Our Diesel Engine Inserts category offers precision-fit inserts engineered to restore cylinder walls and maintain compression for your diesel engines. Whether you require OEM-quality inserts or high-grade aftermarket options, our inventory supports seamless integration with your power equipment.
- Premium Authenticity: Genuine inserts tailored specifically for Onan, Cummins, and Fleetguard diesel engines.
- Enhanced Durability: Manufactured with robust materials to resist wear, corrosion, and thermal stress.
- Optimized Compatibility: Designed for perfect fit to ensure engine efficiency and longevity.
Browse our Diesel Engine Inserts to keep your power engines running smoothly and efficiently with trusted replacement parts.
Why Choose Our Diesel Engine Inserts?
We provide authentic, high-performance inserts backed by expert knowledge and trusted brands, ensuring your diesel engines operate at peak reliability and power.
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CUMMINS 3824047 COOLANT PASSAGE INSERT KIT Original OEM part
CUMMINS
$1,696.90$1,550.12Cummins 3824047 - COOLANT PASSAGE INSERT KIT MINS3824047 Find the genuine 3824047 - COOLANT PASSAGE INSERT KIT by Cummins at our online store. This detailed insert kit is designed to bring precision...$1,696.90$1,550.12 -
CUMMINS 3823749 BEAD CLEARANCE INSERT Original OEM part
CUMMINS
$839.43$766.82Precision engineered for uncompromising power reliability. Ensures optimal bead clearance for superior engine sealing performance. Manufactured to exact OEM quality standards by Cummins for...$839.43$766.82 -
CUMMINS 3823679 COOLANT PASSAGE INSERT KIT Original OEM part
CUMMINS
$4,045.66$3,695.71Cummins 3823679 - COOLANT PASSAGE INSERT KIT MINS3823679 Find efficiency and durability with the 3823679 - COOLANT PASSAGE INSERT KIT by Cummins, model MINS3823679. Stay confident in the...$4,045.66$3,695.71 -
CUMMINS 3823218 LOWER PLATE WEAR INSERT Original OEM part
CUMMINS
$926.74$846.58Engineered for endurance, designed for dependability Precision-matched fit for optimal engine protection Durable wear insert to extend component life under demanding conditions Certified genuine OEM...$926.74$846.58 -
CUMMINS 3822709 THREADED INSERT Original OEM part
CUMMINS
$3,838.48$3,506.45Cummins 3822709 - THREADED INSERT MINS3822709 When it comes to finding the authentic 3822709 - THREADED INSERT, look no further than our store. We proudly offer the genuine Cummins-branded part with...$3,838.48$3,506.45 -
CUMMINS 3822703 THREADED INSERT Original OEM part
CUMMINS
$54.28$49.59Precision engineered for seamless integration and enduring performance Designed to maintain optimal thread strength and minimize wear Crafted as an authentic OEM component directly from...$54.28$49.59 -
CUMMINS 3822701 THREADED INSERT Original OEM part
CUMMINS
$54.05$49.37Precision-crafted for dependable engine integrity. Robust design ensures lasting thread retention under demanding conditions. Exceptional resistance to wear and vibration. 100% genuine OEM Cummins...$54.05$49.37 -
CUMMINS 3822698 THREADED INSERT Original OEM part
CUMMINS
$52.56$48.01Precision engineered for unmatched durability and seamless performance Ensures reliable fastening in critical engine assemblies Corrosion-resistant design maximizes service life under demanding...$52.56$48.01 -
CUMMINS 3820749 THREADED INSERT Original OEM part
CUMMINS
$12.22$11.16Precision that powers your Cummins engine forward with lasting confidence Durable threaded insert engineered to maintain secure, vibration-resistant connections Corrosion-resistant design optimized...$12.22$11.16 -
CUMMINS 3687323 INSERT COMPRESSION LIMITER Original OEM part
CUMMINS
$11.12$10.15Engineered to excel under pressure, the CUMMINS 3687323 INSERT COMPRESSION LIMITER drives durability. Ensures optimal engine compression to maintain power and reduce wear. Designed exclusively as an...$11.12$10.15 -
CUMMINS 3643060 LINER INSERT Original OEM part
CUMMINS
$94.34$86.18Precision-engineered for lasting engine protection and optimal combustion efficiency Crafted from premium materials to withstand intense wear and thermal stress Authentic OEM Cummins component...$94.34$86.18 -
CUMMINS 3637142 PUMP DRIVE INSERT Original OEM part
CUMMINS
$564.60$515.77Power your performance with precision-engineered components Robust design ensures seamless pump drive engagement for optimal operation Engineered to exacting Cummins OEM standards for superior...$564.60$515.77 -
CUMMINS 3377396 VALVE INSERT REMOVER Original OEM part
CUMMINS
$3,828.25$3,497.11Precision engineering for seamless valve insert removal Durable construction ensuring long-term reliability in demanding environments Certified OEM Cummins part guaranteeing perfect fit and...$3,828.25$3,497.11 -
CUMMINS 3377138 THREADED INSERT Original OEM part PACK OF 12
CUMMINS
$1,592.10$1,454.39Engineered Excellence with Every Thread Precision Fit Designed to Last Robust Construction for Optimal Durability Certified OEM Cummins part ensuring seamless compatibility CUMMINS 3377138 THREADED...$1,592.10$1,454.39 -
CUMMINS 3376799 VALVE INSERT REMOVER Original OEM part
CUMMINS
$1,571.25$1,435.34Cummins 3376799 - VALVE INSERT REMOVER MINS3376799 When it comes to maintaining your outdoor equipment, having the right tools is essential. Our store offers the original 3376799 - VALVE INSERT...$1,571.25$1,435.34 -
CUMMINS 3376670 MAIN BEARING THREAD INSERT Original OEM part
CUMMINS
$94.10$85.97Engineered for precision and endurance to maintain optimal engine alignment and strength. Enhances bearing stability by restoring critical thread integrity. Authentic Cummins OEM part ensuring...$94.10$85.97 -
CUMMINS 3376468 LINER INSERT Original OEM part
CUMMINS
$467.65$427.20Cummins 3376468 - LINER INSERT MINS3376468 Find the top-quality 3376468 - LINER INSERT by Cummins at our store, your go-to destination for original replacement parts for outdoor equipment. With fast...$467.65$427.20 -
CUMMINS 3376467 LINER INSERT Original OEM part
CUMMINS
$356.65$325.80Unleash the power of precision engineering made for demanding conditions. Durable liner insert crafted to extend engine life and maintain peak compression. Designed for exact fit and flawless...$356.65$325.80 -
CUMMINS 3376450 CYLINDER LINER BORE INSERT Original OEM part
CUMMINS
$414.00$378.19Precision-engineered reliability for uncompromising power Engineered to exact OEM specifications for seamless integration Provides superior wear resistance and extended engine life Certified genuine...$414.00$378.19 -
CUMMINS 3376448 THREADED INSERT Original OEM part
CUMMINS
$4,724.50$4,315.84Precision engineered to deliver unmatched durability and seamless integration Critical component for maintaining structural integrity in high-stress applications Manufactured exclusively as a...$4,724.50$4,315.84 -
CUMMINS 3376447 THREADED INSERT Original OEM part
CUMMINS
$40.40$36.91Cummins 3376447 - THREADED INSERT MINS3376447 Discover the premium quality of the Cummins 3376447 - THREADED INSERT (SKU: MINS3376447) at our store. We are your ultimate destination for authentic...$40.40$36.91 -
CUMMINS 3376446 THREADED INSERT Original OEM part
CUMMINS
$43.86$40.07Engineered to deliver precision and durability in every installation Designed to maintain optimal mechanical integrity and reduce maintenance downtime Manufactured strictly to Cummins OEM...$43.86$40.07 -
CUMMINS 3376445 THREADED INSERT Original OEM part
CUMMINS
$41.94$38.31Precision engineered for uncompromising performance and longevity Durable, corrosion-resistant construction ensures lasting secure mounting Designed exclusively as an OEM Cummins replacement part...$41.94$38.31 -
CUMMINS 3376444 THREADED INSERT Original OEM part
CUMMINS
$43.86$40.07Optimize your engine's performance with unmatched precision and durability. Exceptional thread engagement ensures secure and reliable fastening. Engineered for resistance against wear and corrosion...$43.86$40.07 -
CUMMINS 3376442 THREADED INSERT Original OEM part
CUMMINS
$41.39$37.81Precision engineered to uphold Cummins’ legacy of durability and excellence. Robust threaded design ensures secure installation and extended service life. Enhances mechanical integrity, reducing...$41.39$37.81 -
CUMMINS 3376440 THREADED INSERT Original OEM part
CUMMINS
$44.30$40.47Cummins 3376440 - THREADED INSERT MINS3376440 Find the genuine 3376440 - THREADED INSERT by Cummins at our store, the ultimate destination for top-quality replacement parts. With our commitment to...$44.30$40.47 -
CUMMINS 3376437 THREADED INSERT Original OEM part
CUMMINS
$72.35$66.09Engineered precision for unmatched power continuity Robust design optimized for long-term durability Seamless integration with Cummins systems for superior performance 100% genuine OEM component...$72.35$66.09 -
CUMMINS 3376404 MAIN BEARING THREAD INSERT Original OEM part
CUMMINS
$79.19$72.34Engineered for endurance, crafted for dependability. Precision thread design ensures a secure and lasting connection within your main bearing assembly. Durable materials resist wear and tear,...$79.19$72.34 -
CUMMINS 3376363 CYLINDER LINER BORE INSERT Original OEM part
CUMMINS
$422.99$386.41Precision engineered for seamless engine restoration Enhances cylinder durability and operational efficiency Ensures perfect fitment with Cummins engine systems for lasting performance Authentic OEM...$422.99$386.41 -
CUMMINS 3376285 THREADED INSERT Original OEM part
CUMMINS
$60.10$54.91Cummins 3376285 - THREADED INSERT MINS3376285 Discover the authentic Cummins 3376285 - THREADED INSERT, meticulously engineered for superior quality and seamless compatibility with your outdoor...$60.10$54.91 -
CUMMINS 3376146 VALVE INSERT REMOVER Original OEM part
CUMMINS
$1,481.29$1,353.16Precision engineered for seamless valve insert removal without damaging engine components Robust construction ensures lasting reliability under demanding service conditions Certified OEM Cummins...$1,481.29$1,353.16 -
CUMMINS 3375430 THINWALL INSERT Original OEM part PACK OF 10
CUMMINS
$61.64$56.31Engineered Precision, Enduring Power — precision-crafted to uphold Cummins' legacy of durability and strength. Superior Thermal Performance: Designed to optimize heat resistance and reduce engine...$61.64$56.31 -
CUMMINS 3375307 CYLINDER LINER BORE INSERT Original OEM part
CUMMINS
$320.34$292.63Precision-crafted for uncompromising engine integrity. Engineered for superior wear resistance to extend engine lifespan. Enhances combustion efficiency and reduces emissions. Certified OEM...$320.34$292.63 -
CUMMINS 3375306 CYLINDER LINER BORE INSERT Original OEM part
CUMMINS
$372.97$340.71Cummins 3375306 - CYLINDER LINER BORE INSERT MINS3375306 Find the perfect solution for your lawn mower with the authentic "3375306 - CYLINDER LINER BORE INSERT" by Cummins, SKU "MINS3375306". Our...$372.97$340.71 -
CUMMINS 3375305 CYLINDER LINER BORE INSERT Original OEM part
CUMMINS
$219.98$200.95Engineered for excellence, designed for dependability. Precision-machined cylinder liner bore insert for optimal engine sealing and wear resistance. Durability that extends engine life while...$219.98$200.95 -
CUMMINS 3375304 CYLINDER LINER BORE INSERT Original OEM part
CUMMINS
$298.43$272.61Engineered to precision, built to last — every component matters. Exceptional wear resistance ensures your engine maintains optimal performance under demanding conditions. Designed to improve...$298.43$272.61 -
CUMMINS 3375171 CRANKSHAFT BORE INSERT Original OEM part
CUMMINS
$338.89$309.58Precision-crafted for uncompromising engine durability and efficiency Critical component designed to maintain optimal crankshaft alignment and reduce wear Manufactured to exact Cummins OEM...$338.89$309.58 -
CUMMINS 3375170 CRANKSHAFT BORE INSERT Original OEM part
CUMMINS
$389.30$355.63Engineered to perfection for lasting durability and precise fitment. Enhances crankshaft alignment to maintain optimal engine performance. Fully tested OEM component from the trusted CUMMINS brand...$389.30$355.63 -
CUMMINS 3375169 CRANKSHAFT BORE INSERT Original OEM part
CUMMINS
$368.80$336.90Precision engineered for uncompromised engine integrity Enhances crankshaft alignment and durability under demanding conditions Manufactured as a genuine OEM Cummins component to guarantee perfect...$368.80$336.90 -
CUMMINS 3375168 CRANKSHAFT BORE INSERT KIT Original OEM part
CUMMINS
$2,179.68$1,991.14Cummins 3375168 - CRANKSHAFT BORE INSERT KIT MINS3375168 Find your solution with the 3375168 - CRANKSHAFT BORE INSERT KIT by Cummins. Ensure your outdoor equipment's performance with this original...$2,179.68$1,991.14